San Joaquin River - San Joaquin Harbor Weather Forecast

    • 45
    • 55

    Dense Fog

    • 45
    • 57

    Dense Fog

    • 45
    • 58

    Partly Sunny

    • 44
    • 57

    Partly Sunny

    • 45
    • 57

    Partly Sunny

    • 47
    • 58

    Partly Sunny

    • 45
    • 59

    Partly Sunny

Today 27 Nov East Bay Interior Valleys

Mostly cloudy late in the morning then becoming partly cloudy. Areas of dense fog. Highs in the upper 50s to mid 60s. Northeast Winds around 5 Mph.

Tonight 27 Nov East Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Areas of dense fog. Lows in the lower 40s. Light Winds becoming northeast up to 5 Mph after midnight.

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San Joaquin River - San Joaquin Harbor Temperature Statistics

November Temperature

Concord, Buchanan Field (15.5 miles)

  • Lowest 21 November, 2025

    43 °F

  • Average November

    57.8 °F

  • Highest 2 November, 2025

    79 °F

Climate (2020–Present)

Concord, Buchanan Field (15.5 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    74.4 °F
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